Why should you use a control during an experiment?

Is there any animal (s) that are unnecessary in the natural world a. k. a our planet, Earth?

Assume the potato cubes are cells. which cube would be most efficient at moving materials into and out of the cube? briefly explain the answer.

Why are analogous characteristics important?

You are observing a gram stain of rod-shaped microorganisms that are linked in a chain and stain purple. how would you describe these bacteria using the correct terminology for the cell shape and arrangement?

Why are smaller cells more efficient at transporting materials than larger ones?

Which would provide the body with the most energy? a. Carrying oxygen from the lungs to the cells b. Breaking the bonds in a disaccharide c. Breaking a single carbon bond d. Creating bonds to make a simple sugar

When water changes from a liquid on Earth's surface to a gas in the atmosphere, this is known as transpiration condensation evaporation precipitation

The most famous pioner colonial times

Can a theory change over time? If so, how?

Which of the following needs a host to reproduce? 1) all of the above 2) eukaryotic cell 3) none of the above 4) prokaryotic cell 5) virus